K2-278
K2-278 b
Rank #4989 of the ranked catalogue · Discovered by Transit in 2018
HZ 0%inferred
0.068
Earth-2.0 index
0.133
Earth Similarity Index
0%
Habitable-zone probability
2.98 R⊕
Radius
Planet
Mass9.170 M⊕inferred
Bulk density1.900 g/cm³
Orbital period3.3350 days
Semi-major axis0.04880 au
Eccentricity—
Incident flux1051.559 S⊕
Equilibrium temperature1447.5 K
Transit-time σ at 20301959.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 6.47e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostK2-278
Spectral typeF
Effective temperature6747 K
Radius1.610 R☉
Mass1.400 M☉
Distance786.4 pc / 2565.0 ly
DiscoveryTransit, 2018